Q6. Consider an electromagnetic sine wave (a sinusoid) that is propagating through vacuum. One of the following...
Q6. Consider an electromagnetic sine wave (a sinusoid) that is propagating through vacuum. One of the following statements is correct regarding the energy per volume-unit, stored in the magnetic field of the wave - which one?
(A) It is the same throughout the wave.
(B) It is the largest at points where the electric field of the wave is at its strongest.
(C) It is the largest at points where the electric field of the wave is zero.
Explain your reasoning.
______________________________________
Thank you in advance!
Homework Answers
In an em wave the energies are equal. So when the electric field will be largest the magnetic field energy will also attain largest.
So ans.B. it is the largest where the electric field of the wave is at its largest.
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